Photogates that are positioned at the start, finish, and various points along the track that the car goes on. A yardstick to gauge how far the car is travelling on the track.
A motion sensor that is pointed in the opposite direction from the car's journey direction. A mass balance to calculate the car's mass. Photogates placed at the start, stop, and various points along the musical path that the automobile moves on. A measuring device to gauge the length of the track that the car goes on.
Physics is a science or branch of technology that deals primarily with the natural laws of number, motion, and electricity with respect to space, pressure, and time.
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